Hi Guys

After an external compass upgrade I was trying to configure last night and Mission planner was connecting to the board no problem.

This morning though Mission planner wont connect, I also cant get the unit to arm either. 

Attached is the error message.

Any help much appreciated.


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  • Hi friend,

                Only reason for this you will have to check your comport as well as baud rate .Sometime its happens normally...


    Unmanned Engineeria | Expert unmanned engineeria makers
  • T3
    Double check you com port and baud rate. Your screenshot shows 2400 baud rate.
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